Moxa Technologies NPort 6110 user manual Pin Assignments, DB9 Male Pinouts

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Pin Assignments

NPort 6110 supports three serial interfaces: RS-232, RS-422, and 2-wire RS-485. In this chapter, we give the DB9 Male pinouts for each of these three interfaces.

DB9 Male Pinouts

Pin No.	RS-232	RS-422	RS-485	1 2	3	4	5
1	DCD	TxD-(A)	Data-(A)
2	RxD	TxD+(B)	Data+(B)
3	TxD	RxD+(B)	---
4	DTR	RxD-(A)	---
5	GND	GND	GND
6	DSR	RTS-(A)	---
7	RTS	RTS+(B)	---
				6	7	8	9
8	CTS	CTS+(B)	---
9	---	CTS-(A)	---

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